Lexus GS 300 (2005 – 2011) Fuse and Relay

Lexus GS 300 3rd generation was produced in 2005, 2006, 2007, 2008, 2009, 2010, 2011 with designations S190 with different engine displacements Lexus GS 350, Lexus GS 430 and Lexus GS 460. In this publication we will show the location of all electronic control units, a detailed description of fuses and relays Lexus GS 3rd generation with fuse box diagrams and photo examples of their performance. Let’s highlight the fuse responsible for the cigarette lighter.

Lexus GS 3G

The layout of the units and their function may differ from that shown and depends on the year of manufacture, the level of electrical equipment and the region of delivery of your vehicle.

Passenger compartment

Location

Layout

Location in salon LHD

Location in salon RHD

Description

  1. Body electronics control unit (LH)
  2. Fuse box (LH)
  3. Distance control module
  4. Emergency warning and direction indicator relay
  5. Tyre pressure monitoring system control unit
  6. Immobiliser control unit
  7. Distribution unit
  8. Distribution unit
  9. Camera controller
  10. Parktronic Control Unit
  11. Power Source Control ECU
  12. Gateway ECU (Gateway ECU)
  13. Body Electronics Control Unit (RH)
  14. Fuse Box (RH)
  15. Absorber control unit
  16. Distribution Connector
  17. Steering Control Unit
  18. Airbag control unit
  19. Transmission selector lock control unit
  20. Air conditioner booster
  21. Steering lock control unit
  22. Steering column control unit
  23. Outer Mirror Control Unit (Outer Mirror)
  24. Distribution Connector
  25. Headlight Corrector Control Unit

Fuse box on the left side

On the left-hand side, the fuse box is located under the instrument panel.

Location fuse box in salon LHD

Check the information with your schematics on the back of the block cover.

Covery LH

Diagram

Diagram

Assignment

130A FR P/SEAT LH – Electric front left seat drive
27.5A A/C – Air conditioning
3
47.5A TV – Audio system, air conditioning, reversing camera
5
610A TRK OPN – Trunk latch actuator
710A LH-B – Anti-theft system
8
925A S/ROOF – Sunroof.
10
11
127.5A PANEL – Steering wheel button illumination, audio system, glove box illumination, gear selector illumination, armrest illumination, cigarette lighter illumination, adaptive suspension switch illumination, air conditioning, VSC off switch illumination, seat heating and ventilation switch illumination
1310A FUEL OPEN – Fuel filler flap actuator, boot latch actuator
1410A ECU-IG LH – VSC, ECB, cruise control, dynamic cruise control, G-sensor, yaw sensor, EPS, VGRS, reversing camera, four-wheel drive, sunroof, rain sensor, front controller
15
1615A FR S/HTR LH – Heated and ventilated front left seat
1720A RR DOOR LH – Rear left door control unit (lock, light, window lift)
1820A FR DOOR LH – Front left door control unit (lock, power mirror, illumination, mirror heating, window lift)
1910A RAD NO.3 – Audio system
20
217.5A H-LP LVL – AFS, automatic headlight corrector
2210A LH-IG – Charging system, headlight washers, rear window heater, exhaust sensor, cooling fan, rear left door control unit, front left door control unit, emergency warning and turn signal relay, automatic transmission, seatbelt pretensioner, parking assist system
23
2430A FR WIP – Wiper and washer system

Fuse box on the right side

There is a second fuse box on the right side under the instrument panel.

Location fuse box in salon RHD

Photo – example

Covery RH

Diagram

Diagram 2

Allocation

130A FR P/SEAT RH – Electric front right seat actuator
2
37.5A ODB – Diagnostic connector
47.5A STOP SW – Stop lamp, multi-point fuel injection system/sequential multi-point fuel injection system, ignition system, ECB, VSC , gear selector locking
57.5A AM1
620A TI & TE – Steering column tilt and height adjustment system, multiplex system
7
87.5A SECURITY – Keyless entry system with push button start.
925A STR LOCK – Steering wheel lock
107.5A GAUGE – Instrument cluster
1110A IGN – Multi-point fuel injection system / sequential multi-point fuel injection system, airbags, brake light bulbs/ tail light, steering wheel lock, ECB, Lexus Link system, passenger classification system
127.5A ACC – Multiplex system, keyless entry system with push button start, reversing camera, audio system, air conditioning, Lexus Link system
13
1415A CIG – Cigarette Lighter
1515A PWR OUTLET – Power outlet
1620A AIR SUS – Air suspension.
17Right rear door control unit (lock, light, window lift)
1820A RR DOOR RH – Front right-hand door control unit (lock, power mirror, light, heated mirror, window lift), multiplex system
1915A AM2 – Starting system
207.5A RH-IG – Heated seats, rear right door control unit, front right door control unit, seat belt pretensioner, parking assist, condenser, light switch (paddle switch)
2115A FR S/HTR RH – Heated and ventilated front right seat
2210A ECU-IG RH – Steering column tilt and height adjustment, multiplex system, keyless entry with push button start, audio system, air conditioning, transmission selector lock, tyre pressure monitoring system, light switch (steering wheel switch), front stabiliser, rear stabiliser, DC/DC converter
23 –
24 –

Engine compartment

Location

General layout

UTH Location LH

UTH Location LH

Appointment

  1. Fuse and relay box No. 1
  2. Engine control unit
  3. Headlight washer relay
  4. Engine cooling fan control unit
  5. Injector control unit (EDU)
  6. Relay Box No. 1
  7. Fuse and Relay Unit No. 2
  8. Power steering control unit
  9. 3UZ-FE: Relay Box No. 2
  10. 3GR-FSE, 3GR-FE: Relay Unit No. 2
  11. 3GR-FSE, 3GR-FE: Stability Control Unit
  12. 3UZ-FE: Stability Control Unit

Fuse and relay box No. 1

Photo – block

Photo fuse box under the hood

Diagram

Diagram of fuse box lexus gs 300

Decoding

110A IG2 – Cooling system fan
210A EFI NO.2 – Fuel system, exhaust system, multi-point fuel injection system/sequential multi-point fuel injection system, fuel vapour recovery system leak detection pump
315A H-LP R LWR – Near right-hand light
415A H-LP L LWR – Low beam left light
530A H-LP CLN – Headlamp washers
630A STB-AM – DC/DC converter
77.5A A/C COMP – Air conditioner
825A DEICER – Wiper blade parking area heating
930A FR CTRL-AM – Front fog light, parking light, windscreen washer
1025A FR CTRL-B – High beam, audible warning light
1115A A/F – Air/Fuel Ratio Sensor
1210A ETCS – Throttle valve
137.5A ALT-S – Charging system
1425A INJ2 – 1UR-FE (GS460): Multipoint fuel injection system/sequential multipoint fuel injection system
15
16
17
18
1915A H-LP UPR – High beam
2010A HORN – Horn
2120A WASHER – Windscreen washer
2210A FR TAIL – Front position light
2315A FR FOG – Front fog light
24
2525A F/PMP – Fuel pump
2620A EFI – 3UZ-FE (GS430), 1UZ-FE (GS460): Multipoint fuel injection system/sequential multipoint fuel injection system
25A EFI – 3GR-FSE, 3GR-FE (GS300): Multipoint fuel injection system/sequential multipoint fuel injection system
2720A INJ – Multipoint fuel injection system/sequential multipoint fuel injection system
Relay
R1Air conditioner compressor clutch (A/C COMP)
R2Ignition (IG 2)
R3Air/Fuel Ratio Sensor (A/F)
R4
R5
R6Starter (ST CUT)
R7Fuel pump (F/PMP)
R8 –
R9 –
R10 –

Fuse and relay box No. 2

Photo fuse box lexus gs 300 3G

Diagram

Diagram 4 - 1

Assignment

110A ECU-B – VGRS, EPS, driver’s seat control unit, Lexus Link system
210A ABS MAIN3 – ECB
315A TURN-HAZ – Emergency signalling and direction indicators
420A IG2 MAIN – Fuses: ‘IG2’, ‘GAUGE’, ‘IGN’
530A RAD NO.2 – Audio system
620A D/C CUT – Fuses: ‘DOME’, ‘MPX-B’
730A RAD NO.1 – Audio system
810A MPX-B – Multiplex system, front controller, door control system (central locking, power windows, power mirrors, heated mirrors), power seats, steering sensors, steering column tilt and height adjustment system, light switch (paddle switch), instrument cluster
910A DOME – Interior lighting, footwell lighting, illuminated mirrors in sun visors, instrument cluster, gear selector illumination, steering spot light
1010A CDS – Interference cancellation filter
1110A ABS MAIN2 – ECB
1230A ABS MOTOR – ABS
1310A ABS MAIN1 – ABS, capacitor
14
1560A E/G-B – Fuses: ‘FR CTRL BATT’, ‘ECTS’, ‘ALT-S’
16
1750A ABS1 – VSC, fuses: ‘ABS MAIN1’, ‘ABS MAIN2’, ‘ABS MTR’
1830A RH J/B-B – Fuses: ‘AM2’, ‘DOOR FR’, ‘DOOR RR’
1940A VGRS
2030A MAIN – Fuses: ‘H-LP R LWR’, ‘H-LP L LWR’
2130A STARTER – Starting system
2230A LH J/B-B – Fuses: ‘FL DOOR’, ‘RL DOOR’, ‘RND NO.3’
2360A P/I-B – Multipoint fuel injection system/sequential multipoint fuel injection system
2480A EPS – Electric Power Steering (EPS)
25
26150A ALT – Fuses: ‘RH J/B-AM’, ‘LH J/B-AM’, ‘LH J/B-AM’, ‘E/G-AM’, ‘RR JB’, ‘HEATER’, ‘DEFOG’, ‘FAN1’, ‘FAN2’, ‘ABS2’, ‘ABS MOTOR’, ‘ABS MAIN1’, ‘ABS MAIN2’
2780A RR J/B – Fuses: ‘STOP LP R’, ‘STOP LP L’, ‘RR-B’, ‘RR TAIL’, ‘RR FOG’, ‘RR-IG1’, ‘PSB’, ‘RR S/SHADE’
2850A GLW PLG1 – Glow plugs.
2980A RH J/B-AM – Fuses: ‘AM1’, ‘OBD’, ‘STOP SW’, ‘TI&TE’, ‘PWR OUTLET’, ‘FR P/SEAT RH’, ‘STR LOCK’, ‘ECU-IG RH’, ‘RH-IG’, ‘ACC’, ‘CIG’, ‘SECURITY’, ‘FR S/HER RH’, ‘AIR SUS’
3030A ABS2 – VSC, ABS
3150A DEFOG – Rear window heater, interference suppression filter
3240A CDS – Cooling system fan
3340A FAN1 – Cooling system fan
3450A HEATER – Heater
3550A GLW PLG2 – Glow plugs
3660A E/G-AM – Fuses: ‘H-LMP CLN’, ‘FR CTRL-AM’, ‘A/C COMP’
3780A LH J/B-AM – Fuses: ‘S/ROOF’, ‘FR P/SEAT LH’, ‘TV’, ‘FR S/HTR LH’, ‘FR WIP’, ‘H-LP LVL’, ‘LH-IG’, ‘FUEL OPEN’, ‘A/C’, ‘PANEL’, ‘LH-B’
3860A FAN2 – Cooling system fans
Relay
R1Starter
R2Cooling fan (FAN MAIN)
R3Headlights (HEAD LP)
R4Electric Power Steering (EPS)
R5Rear window heater (DEFOG)

Relay Box No. 1

Diagram

Relays Diagram

Designation

  • R1
  • R2
  • R3 – PTC heater (GLW RLY1)
  • R4 – PTC heater (GLW RLY2)

Relay Box No. 2

Diagram

Relays Diagram

Allocation

R13UZ–FE: ABS (ABS MAIN1)
3GR–FSE, 3GR–FE: ABS (ABS MOTOR1)
R23UZ–FE: ABS (ABS MAIN2)
R33UZ–FE: ABS (ABS MOTOR1)
R4ABS (ABS MOTOR2)

Luggage compartment

Location

Layout

Location LC

Appointment

  1. Sunroof control unit
  2. Distribution unit
  3. Front right door control unit
  4. Rear right door control unit
  5. Light sensor
  6. Electronic key control unit
  7. Central locking receiver
  8. Audio amplifier
  9. Rear curtain relay
  10. Seat belt control unit
  11. Fuse box
  12. Rear left door control unit
  13. Front left door control unit

Fuse box

    Photo – example of execution

Photo - example of execution

Diagram

Diagram

Decoding

  1. 10A RR TAIL – Rear position light, number plate light
  2. 10A STOP LP R – Additional brake light
  3. 7.5A STOP LP L – Stop lamp, reversing lamps / 10A Stop lamp, reversing lamps
  4. 10A RR FOG – Rear Fog Light
  5. 10A RR-B – Luggage compartment lighting
  6. 10A RR-IG1 – Seat belts with preventive function, seat belt tensioning system, A/P UNIT, rear curtain
  7. 10A RR-IG2
  8. 30A PSB – Seat belts with preventive function
  9. 7.5A RR S/SHADE – Rear curtain

A further fuse box is fitted separately.

Diagram

additional fuse box diagram

Designation

  1. 50A STB FR – Front stabiliser
  2. 30A STB RR – Rear stabiliser
  3. 30A STB DC/DC – DC/DC converter

Anything to add – write in the comments.

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